Active Line Flow Control of Power System Network with FACTS Devices of choice using Soft Computing Technique

<p>Voltage stability is major phenomena in any power system network for reliability and continuity operation. But the tight operation of power system due to overloading or fault on the system which is evitable and major threat to the power system. So it is necessary to maintain the voltages within the constraints at the overloading conditions also by placing of Static VAR Compensator (SVC) at optimal locations. New approaches are used to find the placement and size of the SVC at different locations. Fuzzy is used to find the location and the size of the SVC is fined by the Firefly algorithm. This paper considers different loading conditions of the power system network (125,150,175over loading conditions). From the results we can conclude that the power losses are reduced and the voltages can be maintained within the limits .IEEE 14 bus, IEEE 30 bus system is taken for the implementing the above techniques.</p>

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“…For i = 1 to number of load buses. The fuzzy rules are taken from [8]. The output of fuzzy gives the suitability index for SVC placement.…”

Section: Pl I (2)mentioning

confidence: 99%

Optimal Placement of SVC Using Fuzzy and Firefly Algorithm

Babu¹,

Chennaiah²,

Sreehari³

2015

IJ-AI

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“…They can be connected to the power system in series, shunt or a combination of series and shunt as mention earlier in the introduction. [13] Among the FACTS controllers, Unified Power Flow Controller (UPFC), is the most complete. It is capable of utilizing three basic electrical system variables [11] line voltage, line impedance, and phase angle, that determine the transmitted power.…”

Section: Facts Controllersmentioning

confidence: 99%

Optimisation Techniques for Location of Flexible AC Transmission System Devices in Power Systems

Wahab¹,

Musa²,

Ahmed³

et al. 2013

JESTR

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Flexible AC Transmission System (FACTS) devices are the key to produce electrical energy economically and environmental friendly in a deregulated market. Implemented through a new equipment consisting high power electronics based technologies, it opens up new opportunities for controlling line power flows, minimizing losses and maintaining bus voltages at desired level in a power system network. In large, interconnected power systems, power system damping is often reduced, leading to lightly damped electromechanical modes of oscillations. Proper controller design and installation of this system becomes essential for control and operation improvement of power systems networks. Three categories of FACTS controllers may be distinguished: Series controllers; Shunt controllers; Combined series-shunt controllers. The location of these devices depends on the amount of local load and through load and from transient stability point of view their location moves towards the sending-end. The optimal location for the device is not in the mid-point of the line but rather, slightly off-center of the transmission line gives better performance for maximum benefit and depends on the line resistance and is linearly increased as R/X ratio of the line is increased. The paper attempted to highlight best location and control strategy for this device that, guarantee security and stability of the power system networks for maximum benefits.

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“…In the latter half of 1980, the Electric Power Research Institute (EPRI) of the USA unveiled the Flexible AC Transmission Systems (FACTS). To enhance controllability and increase power transfer capacity, a power electronic-based system known as FACTS is said to have additional static equipment and control one or more AC transmission system parameters [1][2][3]. It is capable of swiftly and effectively controlling the line impedance, voltage magnitude at a few buses, and phase angle of the transmission system.…”

Section: Introductionmentioning

confidence: 99%

" Optimal Location and Sizing of Series FACTS device to Minimization of Power Loss and Voltage Magnitude "

Raikar¹,

Kamalapur²

2023

IJASE

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Every day, power piques our curiosity more and more. As a result, there is a quick power exchange that creates challenging power transmission issues as well as a stampeded increase in booked power that flows through the transmission line. Building more transmission lines or boosting the load capacity of the ones that already exist can remedy this issue. The cost-effectiveness of constructing new lines enables the proper positioning of (FACTS) devices to address this problem. This study suggests the artificial bee colony (ABC) algorithm and genetic algorithm as a method for selecting the ideal site and size. In this attempt, three objectives were taken into consideration. They are reducing installation costs and increasing system capacity to handle load and transmission loss. Transmission loss and costs Putting and sizing the FACTS devices in the ideal locations to minimize real power loss (PL), improve the voltage profile (VD), and boost voltage stability are just a few examples of modern nonlinear mathematical problems that can be solved using the objective of ABC and GA method. The findings demonstrate that power flows are greatly improved, and a higher voltage is generated. In electrical networks, voltage control and power loss reduction should be carried out as effectively as feasible. A novel method is presented to locate FACTS devices in a multi-machine power system optimally using ABC and Genetic Algorithm (GA). The recommended course of action using the optimization techniques and accounting for the temperature and voltage restrictions as well as to accurately assessing the number of devices and their ratings were discussed. The proposed technique is examined for use on the IEEE 5 and IEEE 14-bus systems, and it is determined that ABC is superior to GA optimization for loss reduction.

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Active Line Flow Control of Power System Network with FACTS Devices of choice using Soft Computing Technique

Cited by 5 publications

References 12 publications

Optimal Placement of SVC Using Fuzzy and Firefly Algorithm

Optimal Placement of SVC Using Fuzzy and Firefly Algorithm

Optimisation Techniques for Location of Flexible AC Transmission System Devices in Power Systems

" Optimal Location and Sizing of Series FACTS device to Minimization of Power Loss and Voltage Magnitude "

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